Is (-1, -9) a solution to the equation y 9x?

What is the measure of ac? 5 units 13 units 26 units 39 units

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

Given: and prove: what is the missing reason in the proof? given transitive property alternate interior angles theorem converse alternate interior angles theorem